From: Baolin Wang Date: Tue, 10 Jan 2023 13:36:19 +0000 (+0800) Subject: mm: compaction: move list validation into compact_zone() X-Git-Tag: v6.6.17~5460^2~354 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=753ec50d976c28b08266dec3110905b377464eb1;p=platform%2Fkernel%2Flinux-rpi.git mm: compaction: move list validation into compact_zone() Move the cc.freepages and cc.migratepages list validation into compact_zone() to remove some duplicate code. Link: https://lkml.kernel.org/r/15cf54f7d762e87b04ac3cc74536f7d1ebbcd8cd.1673342761.git.baolin.wang@linux.alibaba.com Signed-off-by: Baolin Wang Cc: Matthew Wilcox Signed-off-by: Andrew Morton --- diff --git a/mm/compaction.c b/mm/compaction.c index 5e6f5e3..f8e8add 100644 --- a/mm/compaction.c +++ b/mm/compaction.c @@ -2488,6 +2488,9 @@ out: trace_mm_compaction_end(cc, start_pfn, end_pfn, sync, ret); + VM_BUG_ON(!list_empty(&cc->freepages)); + VM_BUG_ON(!list_empty(&cc->migratepages)); + return ret; } @@ -2526,9 +2529,6 @@ static enum compact_result compact_zone_order(struct zone *zone, int order, ret = compact_zone(&cc, &capc); - VM_BUG_ON(!list_empty(&cc.freepages)); - VM_BUG_ON(!list_empty(&cc.migratepages)); - /* * Make sure we hide capture control first before we read the captured * page pointer, otherwise an interrupt could free and capture a page @@ -2659,9 +2659,6 @@ static void proactive_compact_node(pg_data_t *pgdat) cc.zone = zone; compact_zone(&cc, NULL); - - VM_BUG_ON(!list_empty(&cc.freepages)); - VM_BUG_ON(!list_empty(&cc.migratepages)); } } @@ -2689,9 +2686,6 @@ static void compact_node(int nid) cc.zone = zone; compact_zone(&cc, NULL); - - VM_BUG_ON(!list_empty(&cc.freepages)); - VM_BUG_ON(!list_empty(&cc.migratepages)); } } @@ -2868,9 +2862,6 @@ static void kcompactd_do_work(pg_data_t *pgdat) cc.total_migrate_scanned); count_compact_events(KCOMPACTD_FREE_SCANNED, cc.total_free_scanned); - - VM_BUG_ON(!list_empty(&cc.freepages)); - VM_BUG_ON(!list_empty(&cc.migratepages)); } /*